Method of precision electric-discharge machining employing elect

Details Method of precision electric-discharge machining employing elect Method of precision electric-discharge machining employing elect

1993-07-06

1995-08-01

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6917, B23H 706

Patent

active

054381789

ABSTRACT:
A method of precision electric-discharge machining carried out in apparatus of moderately high precision and stability with an electrode in the form of a wire. The object is a surface as smooth as the surface that can be obtained with the more expensive very high-precision apparatus. The contour of work that has already been roughed out at least once is accordingly exploited as a geometrical reference for at least one finishing cut. The gap is maintained constant by fine adjustments.

REFERENCES:
patent: 4673787 (1987-06-01), Inoue
patent: 4751362 (1989-06-01), Girardin
patent: 4843203 (1989-06-01), Gamo et al.
patent: 4970362 (1990-11-01), Ono

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